Lapp vs Lappish

Lapp

name
  • The language of the Lapp peoples. 

adj
  • From Lapland or of the Lapp peoples 

noun
  • An indigenous person from Lapland. One of the Sami people. 

Lappish

name
  • A language family spoken by the Lappish people. 

adj
  • Of, or pertaining to the Lapps or their language. 

How often have the words Lapp and Lappish occurred in a corpus of books? (source: Google Ngram Viewer )